TM 5-3805-280-24-1
Sub-System Diagnostics
YES: Harness wire is OK.
AUTO IDLE TO SYSTEM
CONTROLLER HARNESS
CHECK
NO: Harness wire is
open. Repair.
9015
15
T118381 1921NOV98
79
Disconnect 16-pin harness connector from monitor controller, and 22-pin harness
connector D from engine and pump controller.
Measure continuity between pin 13 of monitor controller harness connector and pin 6
of engine and pump controller harness connector D.
Is continuity measured?
1/1
YES: Engine RPM dial is
ENGINE RPM DIAL (R10)
OK. Go to next check.
CHECK
NO: Engine RPM dial has
failed. Replace.
T118383 UN17MAR99
Disconnect harness connector from engine mode and rpm control unit.
Measure resistance from engine mode and RPM control unit terminal 5 to terminal 7,
and from terminal 5 to terminal 6.
Is 5000 500 ohms measured from terminal 5 to terminal 7, and less than that from
terminal 5 to terminal 6?
1/1
4-144
